HJC

HJC C91

Item # 0847-0105-03

$199.99

DOT

Color: Black

Size

HJC

Helmet Size Chart

Measure around your head about 1 inch (2.5 cm) above your eyebrows, at the largest point — take the largest of two or three readings. Between two sizes? Start with the smaller; the cheek pads break in.

Size	Head size (cm)	(in)
2XS	52–53	20.5–20.9
XS	54–55	21.3–21.7
S	55–56	21.7–22.0
M	57–58	22.4–22.8
L	58–59	22.8–23.2
XL	60–61	23.6–24.0
2XL	62–63	24.4–24.8
3XL	64–65	25.2–25.6

A few models vary by about a centimeter — check this model's own listing if you're on a size line. Full fit & sizing guide →

In stock, ready to ship

The HJC C91 is a modular touring helmet that delivers versatility at an accessible price point, with a chin bar designed for easy operation even with gloves on. Its Advanced Polycarbonate Composite shell is offered in two shell sizes to accommodate a wide range of head sizes, and the well-balanced front-to-rear design with a low center of mass helps reduce fatigue on longer rides.

Shell and Construction

Advanced Polycarbonate Composite shell available in two configurations to cover XS through 5XL sizing
Well-balanced front to rear with a low center of mass for extended ride comfort

Modular Chin Bar

Easy-to-operate modular chin bar designed with gloved hands in mind, allowing quick switching between full-face and open configurations

Interior Comfort

SuperCool interior for moisture management and ride comfort
Cheek pads with integrated glasses grooves for eyewear compatibility

Visor and Sun Shield

HJ-17 face shield, Pinlock-ready (insert sold separately)
HJ-V5 drop-down inner sun visor for on-the-fly sun protection

Bluetooth Ready

Pre-molded speaker pockets for Bluetooth communication
Direct compatibility with SmartHJC 10B and 20B systems (sold separately)

Construction: Advanced Polycarbonate Composite shell

Weight: 3.75 lbs

Certifications: DOT

Not sure of your size? Read the Helmet Fit & Sizing Guide →